11020300123 has 16 divisors (see below), whose sum is σ = 12840062976. Its totient is φ = 9262113120.

The previous prime is 11020300117. The next prime is 11020300127. The reversal of 11020300123 is 32100302011.

It is a cyclic number.

It is not a de Polignac number, because 11020300123 - 2²¹ = 11018202971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020300127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671190 + ... + 687412.

It is an arithmetic number, because the mean of its divisors is an integer number (802503936).

Almost surely, 2^11020300123 is an apocalyptic number.

11020300123 is a deficient number, since it is larger than the sum of its proper divisors (1819762853).

11020300123 is a wasteful number, since it uses less digits than its factorization.

11020300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18114.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11020300123 its reverse (32100302011), we get a palindrome (43120602134).

The spelling of 11020300123 in words is "eleven billion, twenty million, three hundred thousand, one hundred twenty-three".